*Green lion Munich Smart glasses* 🍀Bluetooth version: Bluetooth v5.3 🍀Bluetooth distance: 15M 🍀Driver unit: 15.4mm * 3.8mm 🍀Battery: 80mAh 🍀Frequency Response: 120-20KHz 🍀Sensitivity: 125±3dB 🍀Working time: 4-6 Hours 🍀Standby time: 180 Hours 🍀Charging port: Magnetic Charger 🍀Charging time: 1.5H *Features* 🍀Voice Assistant 🍀Anti-Blue Light 🍀Open Style Audio Experience 🍀Camera Click 🍀Button Control 🍀Call Answer 🍀BT Call *$75.00*